Business Logic Errors in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2021-39931
Published: December 9, 2021
Vulnerability identifier: #VU58785
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-39931
CWE-ID: CWE-840
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GitLab, Inc
Affected software:
Gitlab Community Edition
GitLab Enterprise Edition
Gitlab Community Edition
GitLab Enterprise Edition
Detailed vulnerability description
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to a business logic error. A remote authenticated attacker can bypass implemented security restrictions and delete a protected branches
How to mitigate CVE-2021-39931
Install updates from vendor's website.